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Finding the Fourth Proportional to 347,360.46, 479,447.55 and 196,544.94

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Solution

The fourth proportional to 347,360.46, 479,447.55 and 196,544.94 is: 271,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,360.46 : 479,447.55 = 196,544.94 : x
  2. Step 2: Convert to fraction form
    347,360.46/479,447.55 = 196,544.94/x
  3. Step 3: Cross multiply
    347,360.46x = 479,447.55 × 196,544.94
  4. Step 4: Simplify right side
    347,360.46x = 94,232,989,947.90
  5. Step 5: Solve for x
    x = 94,232,989,947.90/347,360.46
  6. Step 6: Final answer
    x = 271,283.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.